vocabulary Flashcards

1
Q

how does a constant function look on a graph?

A

horizontal line

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2
Q

define quadratic

A

polynomial function with the highest exponent being 2

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3
Q

whats the shape of a quadratic called?

A

parabala

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4
Q

what are the 5 methods to solve a quadratic

A

factoring, graphing, formula, complete the square, square roots

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5
Q

define factoring

A

to write something out as multiplication

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6
Q

whats always the first step in factoring?

A

gcf

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7
Q

what do you need to have for factoring?

A

leading coefficient must be positive

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8
Q

define square

A

numbers that have a rational square root

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9
Q

what needs to be true for a variable to be squared

A

needs to have an even exponenet

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10
Q

define perfect cube

A

taking the cube root of something and getting a rational number

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11
Q

what to the exponents of veriables need to be to be considered a “perfect cube”

A

a multiple of 3

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12
Q

what does the index on a radical tell you?

A

tells you to what root the radicand is being taken, if no index, then its to the square root

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13
Q

what does the coefficent of a radical do?

A

you multiply this by the radical as you’re going

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14
Q

what does the radical in a radical do?

A

its the symbol that divides the radicand from the index and coefficent

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15
Q

what does the radicand do in a radical?

A

its the number being taken down by the index number

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16
Q

if a radical has an even index and an odd radicand, what happens?

A

the radical is undefined

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17
Q

what can we assume when using variables in radicals?

A

that its a real number

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18
Q

When do you need an absolute value bar on the coefficient of a radical?

A

When theres an even index, original problem has an even exponent (under radical), and if theres an odd exponent in the answer

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19
Q

When will you NEVER need an absolute value bar in a radical?

A

when theres an odd index (such as 3)

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20
Q

6 (index=3)√5

A

six cube root of 5

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21
Q

what are extremas called that are either the lowest of the minimums or the highest of the maximums

A

absolute extrema (min/max)

22
Q

What are all extremas called regardless of their size in relation to other extremas

A

relative extrema

23
Q

what are factors called when its the same binomial with opposite signs?
(x+5)(x-5)

A

congugates

24
Q

what does standard form mean? are there usually fractions

A

you are supposed to multiply out the factors and there usually arent fractions

25
Q

the max number of zeroes in any function is directly based on the number of the ________

A

degree

26
Q

the max number of relative zeros is the same number as the

A

degree - 1

27
Q

true/false: every absolute extrema is a relative extrema

A

true

28
Q

true/false: every relative extrema is an absolute extrema

A

false

29
Q

Polynomial functions and their name by degree: 0

A

constant

30
Q

Polynomial functions and their name by degree: 1

A

linear

31
Q

Polynomial functions and their name by degree: 2

A

quadratic

32
Q

Polynomial functions and their name by degree: 3

A

cubic

33
Q

Polynomial functions and their name by degree: 4

A

quartic

34
Q

Polynomial functions and their name by degree: 5

A

quintic

35
Q

Polynomial functions and their name by degree: 6

A

6th degree polynomial

36
Q

Polynomial functions and their name by degree: 99

A

99th degree polynomial

37
Q

behavior of a graph as x approaches positive infinity and negative infinity

A

end behavior

38
Q

where the graph crosses the x-axis

A

real zeroes

39
Q

coefficient of the term with the highest degree

A

leading coefficient

40
Q

for a polynomial of one variable, its the greatest exponent of its variable

A

degree

41
Q

key on the calc that can be used when you’re trying to find when an equation has an exact x given.
F(5), F(1/2), F(0.999)

A

store

42
Q

what does the word “polynomials” mean?

A

many terms

43
Q

a comparison of things that aren’t equal

A

inequality

44
Q

numbers that can be plotted on a number line (1/2, 5, -0.22222, square root of anything positive)

A

real

45
Q

the positive integer whole numbers (1,55, square root of a perf square)

A

natural

46
Q

a number that can be expressed as a fraction with a denominator other than zero (5, 1/6, -8/13)

A

rational

47
Q

any number that can be counted as a whole with no parts (1, 2, 7, -33)

A

whole

48
Q

cannot be expressed on a number line (square root of a negative)

A

imaginary

49
Q

a set of positive/negative whole numbers excluding zero (-12, 15, 1, 2/1)

A

integer

50
Q

numbers with a decimal that doesnt simplify, cannot be written as a fraction ( 0.123257483928347)

A

irrational